| 金属材料晶粒大小测量方法的研究 |
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| 引用本文： | 李建萍,张维.金属材料晶粒大小测量方法的研究[J].南昌航空工业学院学报,2000,14(3):19-22. |
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| 作者姓名： | 李建萍 张维 |
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| 作者单位： | 南昌航空工业学院材料工程系,江西南昌 |
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| 摘 要： | 主要研究了奥氏体不锈钢１Ｃｒ１８Ｎｉ５ＴｉＡ、高温合金ＧＨ１３２和钛合金ＴＣ４等金属材料的晶粒大小测量方法，除用传统的金相方法外，主要探讨了无损检测技术（超声、衰减等）应用于晶粒大小的测量，试验结果表明：无损检测技术测量金属材料的晶粒大小具有直接性和非破坏性，该方法具有实用价值。
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| 关 键 词： | 晶粒大小 金属材料 测量 无损检测 |
| 修稿时间： | 2000-06-30 |
The Reserch for the Methods of Measuring Grain Size of Metal Materals |
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| Li Jianping,Zhang Wei.The Reserch for the Methods of Measuring Grain Size of Metal Materals[J].Journal of Nanchang Institute of Aeronautical Technology(Natural Science Edition),2000,14(3):19-22. |
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| Authors: | Li Jianping Zhang Wei |
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| Abstract: | In this paper,the main wok is studying the measur ement of grain size of 1Cr18Ni9TiA austentional stailess steel , GH132and TG4 titaniumalloy ,etc.Besides the conventional metallographical way ,the measuring of the ultrasonic longitudinal wave velocity,ultrasonic attenuation and hardness of metal materials ,the relations between these paramters and grain size is established. The results show that the tes is non-destructive and this way is feasible and applicable. |
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| Keywords: | GrainSize Materials Measuring NDT |
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